A "Natural Resource" is单项选择题

A

a. materials and compounds found in the environment that people can use

B

b. organic and nonorganic material of use to all living things

C

c. A resource that is natural

D

d. resources derived from ecosystems that are of use to humans

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

更多留学生实用工具

加入我们,立即解锁 海量真题独家解析,让复习快人一步!